Health Tip: Keep Nails Trim and Clean

(HealthDay News) -- Nails collect dirt and may spread some infections, so keeping them neat and clean is important.

Health Tip: Before You Lift Something Heavy

(HealthDay News) -- Lower back pain is among the leading causes of missed work in the United States. Fortunately, you can take steps to reduce your risk of hurting yourself.

Eyelash Extension Adhesives May Cause Bad Reactions

THURSDAY, May 16 (HealthDay News) -- For those who aren't born with long, fluttery eyelashes, cosmetic extensions can help achieve that often sought-after look. But eye experts warn that the adhesives used to apply these eyelash extensions can cause allergies and infections.

Heart Risks Last Beyond Hospital Discharge, Study Finds

THURSDAY, May 16 (HealthDay News) -- Patients with heart failure or a heart attack appear to be at high risk of death or readmission to the hospital for at least one month after being discharged, researchers say.

H1N1 Flu Virus Detected in Seals Off California Coast

THURSDAY, May 16 (HealthDay News) -- Flu-causing H1N1 virus has been discovered in marine animals -- specifically seals -- for the first time.

Public Funding Spurs Couples to Seek Fertility Treatment

WEDNESDAY, May 15 (HealthDay News) -- Public funding of assisted reproductive technology, including in vitro fertilization (IVF) treatments, broadens the range of couples who seek treatment for infertility by attracting a more diverse population, according to new research from Canada.

New Drug May Help Immune System Fight Cancer

THURSDAY, May 16 (HealthDay News) -- An experimental drug that taps the power of the body's immune system to fight cancer is shrinking tumors in patients for whom other treatments have failed, an early study shows.

Fitness in Middle Age May Help Shield Men From Cancer Later

THURSDAY, May 16 (HealthDay News) -- Men who are physically fit in middle age have a lower risk of developing and dying from certain cancers, new research indicates.

High-Frequency Noise Boosts Math Skills in Study

THURSDAY, May 16 (HealthDay News) -- Could you someday zap your way to a smarter brain? Preliminary new research suggests that it's a possibility: Scientists report that they were able to improve the math-calculation skills of college students by buzzing their brains with doses of random high-frequency noise.

Health Highlights: May 16, 2013

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

Many Public Pools Contaminated With Human Waste: CDC

THURSDAY, May 16 (HealthDay News) -- There are few things more inviting than a cool, clear pool on a hot summer day. But a new federal report will have you thinking twice before dipping a toe in the water.

1 in 5 U.S. Kids Has a Mental Health Disorder: CDC

THURSDAY, May 16 (HealthDay News) -- As many as one in five American children under the age of 17 has a diagnosable mental disorder in a given year, according to a new federal report.

Test Approved to Detect Faulty Lung Cancer Gene

THURSDAY, May 16 (HealthDay News) -- The U.S. Food and Drug Administration has approved a test designed to detect a faulty gene that's present in about 10 percent of cases of non-small cell lung cancer (NSCLC).

Most Americans Say 'No' to Smoking in Their Homes, Cars

THURSDAY, May 16 (HealthDay News) -- Drop by for a visit or share the drive -- but please, no smoking.